The fundamentals of space-time: Part 3 - Andrew Pontzen and Tom Whyntie
616,240 Views
3,810 Questions Answered
TEDEd Animation
Let’s Begin…
In the first two lessons of this series on space-time, we've dealt with
objects moving at constant speeds, with straight world lines, in
space-time. But what happens when you throw gravity into the mix? In
this third and final lesson, CERN scientists Andrew Pontzen and Tom
Whyntie explore what gravity means for space-time -- or rather, what
space-time means for gravity.
WatchThink 5 Multiple Choice &
3 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
4 Open Discussions
3 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
4 Open Discussions
Most forces apply only to certain types of particles and not to others. The electric force, for instance, is only felt by charged particles (like electrons or protons), and is not felt by neutral particles (like neutrons or neutrinos). Experiments show that gravity is special: It applies equally to all matter and energy. Why is this experimental result crucial to Einstein’s description of gravity?
Login to answer questionAbout TED-Ed Animations
TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »
Meet The Creators
- Educator Tom Whyntie, Andrew Pontzen
- Director Mark Fisher, Patrick Semple, Daniel Spencer
- Narrator Andrew Pontzen, Tom Whyntie
